4I2x-3I=12

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Solution for 4I2x-3I=12 equation: 



42I-3=12

We move all terms to the left:

42I-3-(12)=0

We add all the numbers together, and all the variables

42I-15=0

We move all terms containing I to the left, all other terms to the right

42I=15

I=15/42

I=5/14

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